What Is a Complete Blood Count? A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Your doctor may order a CBC as ...

Mental Health and Personality Tests “Know thyself” is a great rule of thumb. If you’d like to explore your personality traits, assess possible symptoms of a mental health condition, evaluate your ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...